Skip to content
OpenAdvisories
High USN-8231-1 1 CVE

python-dynaconf vulnerability

Published May 6, 2026 · Updated May 7, 2026

Ecosystem: Ubuntu

Summary

It was discovered that Dynaconf was incorrectly handling template evaluation
in its string resolvers. A remote attacker could possibly use this issue
to execute arbitrary code.

Fixed packages 4

ReleasePackageFixed in
Ubuntu · 24.04 LTS 24.04:LTS python-dynaconf 3.1.7-2ubuntu0.24.04.1
Ubuntu · 25.10 python-dynaconf 3.1.7-2ubuntu0.25.10.1
Ubuntu · Pro 22.04 LTS Pro:22.04:LTS python-dynaconf 3.1.7-1ubuntu0.1~esm1
Ubuntu · Pro 26.04 LTS Pro:26.04:LTS python-dynaconf 3.2.12-1ubuntu0.1~esm1

Vulnerabilities 1

  • High 7.5
    CVE-2026-33154 Public exploit

    dynaconf Affected by Remote Code Execution (RCE) via Insecure Template Evaluation in @jinja Resolver

    dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates…

    dynaconf dynaconf python-dynaconf dynaconf Debian Ubuntu PyPI

References

  • report
    https://ubuntu.com/security/CVE-2026-33154